5=-16t^2+20

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Solution for 5=-16t^2+20 equation: 


Simplifying
5 = -16t2 + 20

Reorder the terms:
5 = 20 + -16t2

Solving
5 = 20 + -16t2

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '16t2' to each side of the equation.
5 + 16t2 = 20 + -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
5 + 16t2 = 20 + 0
5 + 16t2 = 20

Add '-5' to each side of the equation.
5 + -5 + 16t2 = 20 + -5

Combine like terms: 5 + -5 = 0
0 + 16t2 = 20 + -5
16t2 = 20 + -5

Combine like terms: 20 + -5 = 15
16t2 = 15

Divide each side by '16'.
t2 = 0.9375

Simplifying
t2 = 0.9375

Take the square root of each side:
t = {-0.968245837, 0.968245837}

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